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gunixmounts: Skip accumulated events from file monitor

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Skip accumulated events from file monitor which we are not able to handle
in a real time instead of emitting mounts_changed signal several times.
This should behave equally to GIOChannel based monitoring. See Bug 792235.

https://bugzilla.gnome.org/show_bug.cgi?id=793006
This commit is contained in:
Ondrej Holy 2018-01-15 17:56:26 +01:00
parent c1d58dd7e0
commit 7e0d42e3dc
1 changed files with 18 additions and 1 deletions
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19
gio/gunixmounts.c
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@ -1656,6 +1656,7 @@ static GFileMonitor *fstab_monitor;
static GFileMonitor *mtab_monitor;
static GSource *proc_mounts_watch_source;
static GList *mount_poller_mounts;
static guint mtab_file_changed_id;
static gboolean
proc_mounts_watch_is_running (void)
@ -1679,6 +1680,15 @@ fstab_file_changed (GFileMonitor *monitor,
g_context_specific_group_emit (&mount_monitor_group, signals[MOUNTPOINTS_CHANGED]);
}
static gboolean
mtab_file_changed_cb (gpointer user_data)
{
mtab_file_changed_id = 0;
g_context_specific_group_emit (&mount_monitor_group, signals[MOUNTS_CHANGED]);
return G_SOURCE_REMOVE;
}
static void
mtab_file_changed (GFileMonitor *monitor,
GFile *file,
@ -1691,7 +1701,14 @@ mtab_file_changed (GFileMonitor *monitor,
event_type != G_FILE_MONITOR_EVENT_DELETED)
return;
g_context_specific_group_emit (&mount_monitor_group, signals[MOUNTS_CHANGED]);
/* Skip accumulated events from file monitor which we are not able to handle
* in a real time instead of emitting mounts_changed signal several times.
* This should behave equally to GIOChannel based monitoring. See Bug 792235.
*/
if (mtab_file_changed_id > 0)
return;
mtab_file_changed_id = g_idle_add (mtab_file_changed_cb, NULL);
}
static gboolean